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Finding the Fourth Proportional to 594,321.71, 891,482.49 and 278,778.62

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Solution

The fourth proportional to 594,321.71, 891,482.49 and 278,778.62 is: 418,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,321.71 : 891,482.49 = 278,778.62 : x
  2. Step 2: Convert to fraction form
    594,321.71/891,482.49 = 278,778.62/x
  3. Step 3: Cross multiply
    594,321.71x = 891,482.49 × 278,778.62
  4. Step 4: Simplify right side
    594,321.71x = 248,526,258,316.36
  5. Step 5: Solve for x
    x = 248,526,258,316.36/594,321.71
  6. Step 6: Final answer
    x = 418,167.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.